Mgbasa vidiyobụ ịnyefe vidiyo n'ụzọ ziri ezi na ngwa ngwa site n'otu ebe gaa na nke ọzọ, nke na-egbochi nnyonye anya ma doo anya ozugbo.
Usoro mgbasa ozi vidiyo na-adịghị mma (UAV) bụ akụkụ dị mkpa nke ụgbọ elu na-adịghị mma (UAV).Ọ bụ ụdịikukunnyefe akụrụngwa.Site na teknụzụ ụfọdụ, a na-ebunye vidiyo nke igwefoto weghara nke ụgbọ ikuku na-adịghị mma (UAV) na-ebu na ya na ikuku ikuku.ọdụ ụgbọ alana ozugbo.Ya mere,dronevideo nnyefe ismakwaara dị ka "anya" nke drones.
Yabụ, kedu ihe a na-ahụkarị ugbu aikuku ikuku droneteknụzụ?teknụzụ bụ isi nke UAVvideo ebugharị bụndị as:
1,OFDMUsoro
Teknụzụ, teknụzụ mgbasa ozi kacha eji eme ihe na ụgbọ elu ikuku na-enweghị mmadụ bụ OFDM, nke bụ modulation nke ọtụtụ ndị na-ebu, teknụzụ dabara adaba maka nnyefe data dị elu, na OFDM nwere ọtụtụ uru, dịka ọmụmaatụ, nnukwu data. nwere ike ịbụbuferen'ime eriri bandwit dị warara, enwere ike iguzogide nnyonye anya nhọrọ ugboro ugborona so na.
OFDMtA na-etinye echnique na sistemụ ngwa dịka LTE (4G) na WIFI.
2,Usoro COFDM
COFDM, ntụgharị, koodu OFDM,na-agbakwụnyeụfọdụ ọwa nzuzo (n'ụzọ bụ isitinyeing mgbazi njehie na interleaving)mbụMgbanwe OFDM iji kwalite ntụkwasị obi sistemụ.Ihe dị iche n'etiti COFDM na OFDM bụtinyeNdozi mgbazi njehie na oge nchebe n'ihu modulation orthogonal, nke mere na a na-ebufe mgbaàmà ahụ nke ọma.A na-ejikarị COFDM eme ihe ugbu a na DVB (mgbasa ozi vidiyo dijitalụ), DVB-T, DVB-S, DVB-C.wdg.
Teknụzụ modulation nke COFDM (Orthogonal Frequency Division Multiplexing) bụ teknụzụ nnyefe ikuku kachasị ọhụrụ, nke bụ teknụzụ na-ebu ọtụtụ ihe, ọnụ ọgụgụ ahụ erutekwa 1704 ụgbọelu (ọnọdụ 2K), ọbụlagodi ọnọdụ 8K, na-aghọta n'ezie nnyefe data dị elu (2) -20Mbps) nke "mgbochi mgbochi" na "NLSO anya" n'iji ya eme ihe ma na-egosi arụmọrụ "iche" na "penetration".
Teknụzụ COFDM bụ teknụzụ kachasị mma etinyere na ikuku ikukuogologo okeHDvidiyonnyefe nkedrone.
3,Usoro WIFI
Mbufe data nke nnyefe Wi-Fi chọrọ ka njedebe na-ebufe na njedebe nnabata ga-ebu ụzọ guzobe usoro nkwukọrịta okwu, mgbe ahụ nke ọ bụla bụ 512 bytes.A ghaghị imecha nnyefe nke ngwugwu data ọ bụla, na otu byte dị na ngwugwu data na-efunahụ iji mee ka a na-ebugharị ngwugwu data dum, na-ebufe ngwugwu data na-esote naanị mgbe ị nwetachara otu ngwugwu data, nke bụ mgbọrọgwụ ihe kpatara igbu oge nnyefe.
Maka ụgbọ elu drone, nnyefe vidiyo ikuku "ezigbo oge" dị oke mkpa.N'ihi otu byte, ọ na-ewe nnukwu oge iji bugharịa ngwugwu ahụ dum.Nbufe Wi-Fi bụ teknụzụ nnyefe ikuku na-agba ọsọ dị elu.Ọ dị nnọọ mfe ibufena nata video na ozugbo dabere na TCP/IP protocol, mana ụgbọ elu nke drones chọrọ nnukwu arụmọrụ oge.Ọ bụrụ na ibugharịa ngwungwu data ahụ, onye ọrụ enweghị ike ịhụ vidiyo ozugbo.Ihe onyonyo HD anaghị egbu ogennyefebụnkatọmakaonye ọrụ.
Ebubeghi imepụta teknụzụ Wi-Fi ka etinyere ya na ọnọdụ mbufe “Ikuku ruo n'ala”s.Usoro aka abụọ na-eme ka ọ ghara ikwe omume idozi anya nalatencynke nnyefe vidiyo UAV, yabụ na ọ nweghị ike gboo mkpa vidiyo UAVtịgbapụtating and ịnata.
4,Usoro nnyefe onyonyo dijitalụ Lightbridge
Lightbridge bụ teknụzụ njikọ nkwukọrịta pụrụ iche nke DJI mepụtara, nke nwere ikenyefee720p elu-definitionvidiyona ngosi.Ebe dị anya nwere ike irukarị 2 km, na ihe karịrị 5 km (LOS).
Teknụzụ Lightbridge na-eji nnyefe data otu ụzọ, nke dị ka ụdị nnyefe nke ụlọ elu mgbasa ozi TV dị elu.Tụnyere WIFI, ọ nwere ike ibelatavidiyonnyefe oge, nke bụ 2-3 ugboro ogologo nnyefe WIFI.A na-ejikarị ya na drones oriri nkeonwe dịka DJI.
5,Usoro mbufe ịme anwansị
Ọ bụ ezie na ọ fọrọ nke nta ka ọ ghara igbu oge na analogdatannyefe, ọ bụ otu ụzọ mgbaama technology nnyefe, nke dị ka nnyefe nke analọg TV n'ikuku n'ikuku n'ikuku tupu ntoputa nke dijitalụ TV mgbaàmà.Mgbe mgbaàmà ahụ na-ada mbà, a ga-enwe ihuenyo snowflake, na-adọ aka ná ntị na onye na-anya ụgbọelu kwesịrị ịhazigharị ntụziaka ụgbọ elu ma ọ bụ feghachi azụ, nso nso ebe nlọghachi.
Oriri ike nke analọgdatannyefe dị nnọọ ukwuu.Mgbe ọ chọrọ iru ogologotiri mkpu, ike nnyefe ya agafeela oke akọwapụtara.Ọ fọrọ nke nta ka ekpochapụ teknụzụ a na ngwa nke Drone Video Transmitter.
Nchịkọta
Nyocha na-egosi na nkà na ụzụ OFDM na nkà na ụzụ COFDM bụ isi nke Drone Transmitter, na nkà na ụzụ COFDM dị elu karị.Ihe ntụgharị vidiyo ogologo nke Drone bụ nguzozi n'etiti anya na ike oriri, yana metụtara ọtụtụ teknụzụ modulation, dị ka ịgbasa ụdịdị dị iche iche iji kwalite ikike mgbochi nnyonye anya, njikarịcha teknụzụ isi iyi ozi ọwa naso na.
Nkwado ngwaahịa teknụzụ COFDM
Oge nzipu: Mar-09-2023